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Finding the Fourth Proportional to 145,882.42, 201,375.72 and 125,383.34

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Solution

The fourth proportional to 145,882.42, 201,375.72 and 125,383.34 is: 173,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,882.42 : 201,375.72 = 125,383.34 : x
  2. Step 2: Convert to fraction form
    145,882.42/201,375.72 = 125,383.34/x
  3. Step 3: Cross multiply
    145,882.42x = 201,375.72 × 125,383.34
  4. Step 4: Simplify right side
    145,882.42x = 25,249,160,871.94
  5. Step 5: Solve for x
    x = 25,249,160,871.94/145,882.42
  6. Step 6: Final answer
    x = 173,078.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.